How is it possible to sail from the UK to New Zealand along a very nearly straight line without intercepting any landmasses? (hexbear.net)

submitted 1 year ago by [email protected] to c/[email protected]

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It's a Bluesky link but he use adult tags as de facto "spoiler" tags. The problem is that content is hidden if you're not logged into Bluesky. Here's a Bluesky mirror site to show the entire thread...

https://subium.com/profile/c0nc0rdance.bsky.social/post/3kpkcq2ecws22

A huge hint...

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[-] [email protected] 2 points 1 year ago* (last edited 1 year ago)

define a space for the surface of a sphere with fewer than 3 dimensions.

latitude and longitude

such a map is guaranteed to not be a bijection

just put the poles wherever it's convenient shrug-outta-hecks

idk, to me this is kinda semantics, whether or not we say a 2d surface in 3d space is 2d or 3d.

just assume "straight line" refers to a geodesic on the surface, then you can use whatever coordinates you want.

this post was submitted on 07 Apr 2024

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